Expand debug workflow (#4913)

Also fixes the bug where single quotes would break the workflow.

b/395119204

.github/workflows/workflow_debug.yaml

@@ -18,9 +18,32 @@ permissions: {}
 jobs:
   debug:
     runs-on: ubuntu-latest
-    timeout-minutes: 10
     steps:
-      - name: Print github context
+      - name: Dump GitHub context
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: echo "${GITHUB_CONTEXT}"
         shell: bash
+      - name: Dump job context
+        env:
+          JOB_CONTEXT: ${{ toJson(job) }}
+        run: echo "${JOB_CONTEXT}"
+        shell: bash
+      - name: Dump steps context
+        env:
+          STEPS_CONTEXT: ${{ toJson(steps) }}
+        run: echo "${STEPS_CONTEXT}"
+        shell: bash
+      - name: Dump runner context
+        env:
+          RUNNER_CONTEXT: ${{ toJson(runner) }}
+        run: echo "${RUNNER_CONTEXT}"
+        shell: bash
+      - name: Default environment variables
         run: |
-          echo '${{ toJSON(github) }}' | jq '.'
+          echo "The job_id is: ${GITHUB_JOB}"
+          echo "The id of this action is: ${GITHUB_ACTION}"
+          echo "The run id is: ${GITHUB_RUN_ID}"
+          echo "The GitHub Actor's username is: ${GITHUB_ACTOR}"
+          echo "GitHub SHA: ${GITHUB_SHA}"
+        shell: bash